"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
BCD to Decimal Converter
Binary Coded Decimal. [BCD] is a number system that only counts from 0 to 9 and then repeats. The table below shows the conversion between the different numbering systems and BCD code.
The table below provides the conversion between Binary [Base 2], Decimal [Base 10], Hexa-decimal [Base 16], Octal [Base 8], BCD Code, and Gray Code.
Conversion Table
Circuit to convert Binary coded decimal to decimal. Using standard glue logic ICs; note the circuit works regardless of the particular logic standard used, as long as those families can communicate with each other over the same voltage levels. Manufacturers of Standard Glue Logic
BCD Circuit
BCD Converter Schematic
This IC circuit is used to convert 4-bit BCD code to Decimal using the circuit shown.
The schematic shows a 4-bit converter circuit, because BCD only uses 4-bits. There are nine bits on the output because decimal counts from zero to nine
BCD to Binary Coded Decimal ICs
7445, 5445 ... 7447, 5447 ... 74145, 54145
Functionality there is no difference between a 74xx part and a 54xx part. The difference between a 74x and 54x part is their Operating Temperature Ranges. Also refer to a Decimal to BCD Encoder [Binary coded decimal decoder].
The IC schematic below represents the same circuit as above, but using negative logic.
BCD Decoder Schematic, Negative Logic
There are a number of different ways to represent a logic function. The circuit above shows a different representation than the circuit at the top of the page. Regardless of the logic function the circuit translates a 4-bit BCD code into a 9-bit Binary code.
This page shows a Gray Code to Binary coded decimal decoder. The circuit can be made with XOR gates.
What is a BCD. How to convert BCD Code. Define BCD Code.
